/home/kueuepay/www/vendor/symfony/css-selector/XPath/Extension/NodeExtension.php
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\CssSelector\XPath\Extension;

use Symfony\Component\CssSelector\Node;
use Symfony\Component\CssSelector\XPath\Translator;
use Symfony\Component\CssSelector\XPath\XPathExpr;

/**
 * XPath expression translator node extension.
 *
 * This component is a port of the Python cssselect library,
 * which is copyright Ian Bicking, @see https://github.com/SimonSapin/cssselect.
 *
 * @author Jean-François Simon <jeanfrancois.simon@sensiolabs.com>
 *
 * @internal
 */
class NodeExtension extends AbstractExtension
{
    public const ELEMENT_NAME_IN_LOWER_CASE = 1;
    public const ATTRIBUTE_NAME_IN_LOWER_CASE = 2;
    public const ATTRIBUTE_VALUE_IN_LOWER_CASE = 4;

    private int $flags;

    public function __construct(int $flags = 0)
    {
        $this->flags = $flags;
    }

    /**
     * @return $this
     */
    public function setFlag(int $flag, bool $on): static
    {
        if ($on && !$this->hasFlag($flag)) {
            $this->flags += $flag;
        }

        if (!$on && $this->hasFlag($flag)) {
            $this->flags -= $flag;
        }

        return $this;
    }

    public function hasFlag(int $flag): bool
    {
        return (bool) ($this->flags & $flag);
    }

    /**
     * {@inheritdoc}
     */
    public function getNodeTranslators(): array
    {
        return [
            'Selector' => [$this, 'translateSelector'],
            'CombinedSelector' => [$this, 'translateCombinedSelector'],
            'Negation' => [$this, 'translateNegation'],
            'Function' => [$this, 'translateFunction'],
            'Pseudo' => [$this, 'translatePseudo'],
            'Attribute' => [$this, 'translateAttribute'],
            'Class' => [$this, 'translateClass'],
            'Hash' => [$this, 'translateHash'],
            'Element' => [$this, 'translateElement'],
        ];
    }

    public function translateSelector(Node\SelectorNode $node, Translator $translator): XPathExpr
    {
        return $translator->nodeToXPath($node->getTree());
    }

    public function translateCombinedSelector(Node\CombinedSelectorNode $node, Translator $translator): XPathExpr
    {
        return $translator->addCombination($node->getCombinator(), $node->getSelector(), $node->getSubSelector());
    }

    public function translateNegation(Node\NegationNode $node, Translator $translator): XPathExpr
    {
        $xpath = $translator->nodeToXPath($node->getSelector());
        $subXpath = $translator->nodeToXPath($node->getSubSelector());
        $subXpath->addNameTest();

        if ($subXpath->getCondition()) {
            return $xpath->addCondition(sprintf('not(%s)', $subXpath->getCondition()));
        }

        return $xpath->addCondition('0');
    }

    public function translateFunction(Node\FunctionNode $node, Translator $translator): XPathExpr
    {
        $xpath = $translator->nodeToXPath($node->getSelector());

        return $translator->addFunction($xpath, $node);
    }

    public function translatePseudo(Node\PseudoNode $node, Translator $translator): XPathExpr
    {
        $xpath = $translator->nodeToXPath($node->getSelector());

        return $translator->addPseudoClass($xpath, $node->getIdentifier());
    }

    public function translateAttribute(Node\AttributeNode $node, Translator $translator): XPathExpr
    {
        $name = $node->getAttribute();
        $safe = $this->isSafeName($name);

        if ($this->hasFlag(self::ATTRIBUTE_NAME_IN_LOWER_CASE)) {
            $name = strtolower($name);
        }

        if ($node->getNamespace()) {
            $name = sprintf('%s:%s', $node->getNamespace(), $name);
            $safe = $safe && $this->isSafeName($node->getNamespace());
        }

        $attribute = $safe ? '@'.$name : sprintf('attribute::*[name() = %s]', Translator::getXpathLiteral($name));
        $value = $node->getValue();
        $xpath = $translator->nodeToXPath($node->getSelector());

        if ($this->hasFlag(self::ATTRIBUTE_VALUE_IN_LOWER_CASE)) {
            $value = strtolower($value);
        }

        return $translator->addAttributeMatching($xpath, $node->getOperator(), $attribute, $value);
    }

    public function translateClass(Node\ClassNode $node, Translator $translator): XPathExpr
    {
        $xpath = $translator->nodeToXPath($node->getSelector());

        return $translator->addAttributeMatching($xpath, '~=', '@class', $node->getName());
    }

    public function translateHash(Node\HashNode $node, Translator $translator): XPathExpr
    {
        $xpath = $translator->nodeToXPath($node->getSelector());

        return $translator->addAttributeMatching($xpath, '=', '@id', $node->getId());
    }

    public function translateElement(Node\ElementNode $node): XPathExpr
    {
        $element = $node->getElement();

        if ($element && $this->hasFlag(self::ELEMENT_NAME_IN_LOWER_CASE)) {
            $element = strtolower($element);
        }

        if ($element) {
            $safe = $this->isSafeName($element);
        } else {
            $element = '*';
            $safe = true;
        }

        if ($node->getNamespace()) {
            $element = sprintf('%s:%s', $node->getNamespace(), $element);
            $safe = $safe && $this->isSafeName($node->getNamespace());
        }

        $xpath = new XPathExpr('', $element);

        if (!$safe) {
            $xpath->addNameTest();
        }

        return $xpath;
    }

    /**
     * {@inheritdoc}
     */
    public function getName(): string
    {
        return 'node';
    }

    private function isSafeName(string $name): bool
    {
        return 0 < preg_match('~^[a-zA-Z_][a-zA-Z0-9_.-]*$~', $name);
    }
}
Path: home/kueuepay/www/vendor/symfony/css-selector/XPath/Extension
Access Token
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Get Access Token

Get access token to initiates payment transaction.

Endpoint: POST generate-token
Parameter Type Comments
client_id string Enter merchant API client/primary key
secret_id string Enter merchant API secret key
env string Enter merchant API environment
merchant_id string Enter merchant API merchant id
Just request to that endpoint with all parameter listed below: 
                    
                        Request Example (guzzle)
                        

                        
                            
<?php
                            
 require_once('vendor/autoload.php');
                            
 $client = new \GuzzleHttp\Client();
                            
 $response = $client->request('POST', $base_url. 'v1/generate-token', [
                            
'headers' => [
                            
  'accept' => 'application/json',
                            
  'content-type' => 'application/json',
                            
 ],
                            
'form_params' => [
                            
  'client_id'     => '$client_id',
                            
  'secret_id'     => 'secret_id',
                            
  'env'           => 'env',
                            
  'merchant_id'   => 'merchant_id',
                            
 ],
                            
                            
]);
                            
echo $response->getBody();
                        
                    
                
                    
                        
**Response: SUCCESS (200 OK)**
                        
{
                        
 "message": {
                        
 "success": [
                        
  "Successfully token is generated"
                        
 ]
                        
},
                        
"data": {
                        
 "token":"eyJpdiI6InpkczhjTjhQdVhUL2lKQ0pSUUx6aUE9P
SIsInZhbHVlIjoiVGVBTVBDTXltbjNZcEIvdEJveGpTSno3TU5NRUtn
VkhCZ1pHTFNCUnZGQ2UxMnYxN202cEE1YVRDTEFsc0ZERExoTjdtL0dTL2x
oU3QzeUJJOExiMUx5T0w1L0llUXhTUkU1cWVLWEdEbEplb0dKNXcwbTNRM0
VxdkUwYzZuNFdtNkhMQ0pRZysyNWkvdzBxSlBoSVBSOGFTekNnR2RXNHVtc
G9lMGZOTmNCcm1hR3c5Sk9KTnB4Y3ltZDl6cm90MThrR21Ca3B1azc3bXRi
Q0J6SW96UVo1elNkU1ZqeE05bTcwWGp1MEUxWlJFdnNWTmpSbnVpeW92b2U
4dXZkUGgyb1VmK0luaGdyaFlsVTZlcVpVRnZlTG1DeFF6Ykk2T2h6Z3Jzbn
IyNHpNdHowSE5JdDR0Y0pZT20zUm1XYW8iLCJtYWMiOiJlY2M4NGE1OGUzYz
kzYzk0YzljNmVmNjE0YWI0ZDIwOGI3NDQ2YWEyY2ZhNzc0NzE4ZmY1ZmYyMz

                        IyZmQzNDY1IiwidGFnIjoiIn0=",
                        
},
                        
"type": "success"
                        
}
                    
                
                    
                        
**Response: ERROR (400 FAILED)**
                        
{
                        
 "message": {
                        
 "error": [
                        
  "Invalid credentials."
                        
 ]
                        
},
                        
"data": null,
                        
"type": "error"
                        
}
Base URL Initiate Payment